/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.trino.sql.query;

import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestInstance;
import org.junit.jupiter.api.parallel.Execution;

import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.TestInstance.Lifecycle.PER_CLASS;
import static org.junit.jupiter.api.parallel.ExecutionMode.CONCURRENT;

@TestInstance(PER_CLASS)
@Execution(CONCURRENT)
public class TestAggregationOverJoin
{
    @Test
    public void test()
    {
        // https://github.com/prestodb/presto/issues/10592
        try (QueryAssertions assertions = new QueryAssertions()) {
            assertThat(assertions.query(
                    """
                    WITH
                        t (a, b) AS (VALUES (1, 'a'), (1, 'b')),
                        u (a) AS (VALUES 1)
                    SELECT DISTINCT v.a
                    FROM (
                        SELECT DISTINCT a, b
                        FROM t) v
                    LEFT JOIN u on v.a = u.a
                    """))
                    .matches("VALUES 1");
        }
    }
}
